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Pollution of Air and Water
Why does the increased level of nutrients in the water affect the survival of aquatic organisms?
The chemical factories release chemicals like arsenic, lead, and fluorides into water bodies that lead to toxicity and the death of aquatic life. When excessive chemicals from the factories are released into water bodies, they give nourishment to the algae. As a result, the water bodies get covered with algae. This is known as an algal bloom. These algae take up all the nutrients of the water and do not allow oxygen to reach the water. Once these algae die, they become food to the decomposers like bacteria. The bacteria and algae use almost all the oxygen of water bodies and the fishes and other aquatic organisms die due to scarcity of oxygen.
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